diff --git a/netty/service/src/main/java/cn/bunny/service/netty/PackageClient.java b/netty/service/src/main/java/cn/bunny/service/netty/PackageClient.java
index b7c762c..781e97c 100644
--- a/netty/service/src/main/java/cn/bunny/service/netty/PackageClient.java
+++ b/netty/service/src/main/java/cn/bunny/service/netty/PackageClient.java
@@ -9,11 +9,20 @@ import io.netty.channel.ChannelInitializer;
 import io.netty.channel.nio.NioEventLoopGroup;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.channel.socket.nio.NioSocketChannel;
+import io.netty.handler.logging.LogLevel;
+import io.netty.handler.logging.LoggingHandler;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
 public class PackageClient {
     public static void main(String[] args) {
+        // 分 10 次发送
+        for (int i = 0; i < 10; i++) {
+            send();
+        }
+    }
+
+    private static void send() {
         NioEventLoopGroup worker = new NioEventLoopGroup();
         try {
             Bootstrap bootstrap = new Bootstrap();
@@ -22,15 +31,17 @@ public class PackageClient {
             bootstrap.handler(new ChannelInitializer<SocketChannel>() {
                 @Override
                 protected void initChannel(SocketChannel ch) throws Exception {
+                    log.debug("conneted...");
+                    ch.pipeline().addLast(new LoggingHandler(LogLevel.DEBUG));
                     ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                         @Override
                         public void channelActive(ChannelHandlerContext ctx) throws Exception {
                             log.debug("sending...");
-                            for (int i = 0; i < 10; i++) {
-                                ByteBuf buffer = ctx.alloc().buffer();
-                                buffer.writeBytes(new byte[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15});
-                                ctx.writeAndFlush(buffer);
-                            }
+                            ByteBuf buffer = ctx.alloc().buffer();
+                            buffer.writeBytes(new byte[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18});
+                            ctx.writeAndFlush(buffer);
+                            // 发完即关
+                            ctx.close();
                         }
                     });
                 }
diff --git a/netty/service/src/main/java/cn/bunny/service/netty/PackageServer.java b/netty/service/src/main/java/cn/bunny/service/netty/PackageServer.java
index c79badf..4361089 100644
--- a/netty/service/src/main/java/cn/bunny/service/netty/PackageServer.java
+++ b/netty/service/src/main/java/cn/bunny/service/netty/PackageServer.java
@@ -19,8 +19,9 @@ public class PackageServer {
             ServerBootstrap serverBootstrap = new ServerBootstrap();
             serverBootstrap.channel(NioServerSocketChannel.class);
             serverBootstrap.group(boss, work);
-            // 接受缓冲区
-            serverBootstrap.option(ChannelOption.SO_RCVBUF, 10);
+            // 接受缓冲区，接受为10个字节
+            // serverBootstrap.option(ChannelOption.SO_RCVBUF, 10);
+            serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(16, 16, 16));
             serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
                 @Override
                 protected void initChannel(SocketChannel socketChannel) throws Exception {